opensuse-15.6-4.14_opam-2.5

2026-02-13 08:07.01: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (linux-x86_64:opensuse-15.6-4.14_opam-2.5)
Base: ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ocaml-multicore/multicore-bench.git" -b "main" && cd "multicore-bench" && git reset --hard efb15d85
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7
# opensuse-15.6-4.14_opam-2.5
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam
RUN opam init --reinit -ni
RUN uname -rs && opam exec -- ocaml -version && opam --version
WORKDIR /src
RUN sudo chown opam /src
RUN cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 multicore-bench.opam ./
RUN opam pin add -yn multicore-bench.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.21.1 fmt.0.11.0 logs.0.10.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 result.1.5 thread-table.1.0.0 topkg.1.1.1 yojson.3.0.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.5 --depext-only -y multicore-bench.dev $DEPS
RUN opam install $DEPS
COPY --chown=1000:1000 . /src
RUN opam exec -- dune build @install @check @runtest && rm -rf _build


END-OF-DOCKERFILE
docker build .
END-REPRO-BLOCK


2026-02-13 08:07.01: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7-opensuse-15.6-4.14_opam-2.5-3276ee940043c1e69634f204ac603fad"
2026-02-13 08:07.01: Using OBuilder spec:
((from ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7)
(comment opensuse-15.6-4.14_opam-2.5)
(user (uid 1000) (gid 1000))
(env CLICOLOR_FORCE 1)
(env OPAMCOLOR always)
(workdir /src)
(run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))
(run (shell "opam init --reinit -ni"))
(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
(workdir /src)
(run (shell "sudo chown opam /src"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src multicore-bench.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn multicore-bench.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.21.1 fmt.0.11.0 logs.0.10.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 result.1.5 thread-table.1.0.0 topkg.1.1.1 yojson.3.0.0")
(env CI true)
(env OCAMLCI true)
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y multicore-bench.dev $DEPS"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
(copy (src .) (dst /src))
(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
)


2026-02-13 08:07.01: Waiting for resource in pool OCluster
2026-02-13 11:20.04: Waiting for worker…
2026-02-13 11:23.42: Got resource from pool OCluster
Building on eumache
All commits already cached
HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll


(from ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7)
Unable to find image 'ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7' locally
docker.io/ocaml/opam@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7: Pulling from ocaml/opam
625c79e3ae60: Already exists
ca6439633d2f: Already exists
3e61b5a3343d: Already exists
572d4bcd324d: Already exists
3994ff15a7b0: Already exists
1d676486d940: Already exists
1805f8e47dca: Already exists
3582d9a1382c: Already exists
ac0b974faa58: Already exists
67d656ab5910: Already exists
839cdf272e6c: Already exists
8689175d709f: Already exists
e40b27547779: Already exists
88cb140bc0e8: Already exists
ab3a4a69e4f4: Already exists
e4fd7a94954f: Already exists
92f036b4edea: Already exists
396a718de0b7: Already exists
396a718de0b7: Already exists
4f4fb700ef54: Already exists
0420ccc16eca: Already exists
cc2c69f374ef: Already exists
22899c47761b: Already exists
8faa077d3a79: Already exists
b972aa889009: Already exists
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f64ad179410d: Already exists
8794b54faffb: Already exists
bb981eaa95e1: Already exists
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80db8971c211: Already exists
6a2ee1c75511: Already exists
Digest: sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7
Status: Downloaded newer image for ocaml/opam@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7
2026-02-13 11:23.43 ---> using "52e816f0aa85450cfc16d266041d2887ffe3489dbdcd0251f1fe96de79154cb7" from cache


/: (comment opensuse-15.6-4.14_opam-2.5)


/: (user (uid 1000) (gid 1000))


/: (env CLICOLOR_FORCE 1)


/: (env OPAMCOLOR always)


/: (workdir /src)


/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))
2026-02-13 11:23.43 ---> using "8650481d781dc9d0d26de5f6a96edc122ddbd937f45050431815622602800d6f" from cache


/src: (run (shell "opam init --reinit -ni"))
Configuring from /home/opam/.opamrc and then from built-in defaults.
Checking for available remotes: rsync and local, git.
- you won't be able to use mercurial repositories unless you install the hg command on your system.
- you won't be able to use darcs repositories unless you install the darcs command on your system.


This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.
You may want to back it up before going further.


Continue? [Y/n] y
[NOTE] The 'jobs' option was reset, its value was 255 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:
opam option jobs=255 --global
Format upgrade done.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-02-13 11:23.43 ---> using "a639c37e4752436ea63c6b5c9003994a92c182efd195e74310c07ebbd376ee98" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-131-generic
The OCaml toplevel, version 4.14.2
2.5.0
2026-02-13 11:23.43 ---> using "30e93a1d8eec7e3649eb26c2f3bbb48b8dc12ffbfe81099d2373f40888537920" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-02-13 11:23.43 ---> using "725df111b3eaf2178920dcb3b270894ce79a00a527e6f87689cad4be88f17e77" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
8e1b9a49e8..302e116c40  master     -> origin/master
302e116c40 Merge pull request #29374 from shonfeder/release-dune-3.21.1


<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from git+file:///home/opam/opam-repository


Everything as up-to-date as possible (run with --verbose to show unavailable upgrades).
However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.4.0"), which will ask permission to downgrade or uninstall the conflicting packages.
Nothing to do.
# To update the current shell environment, run: eval $(opam env)
2026-02-13 11:23.43 ---> using "4a20659d7ced7bdc4981e142895a4088a57a0c151ba98006870f60af50895590" from cache


/src: (copy (src multicore-bench.opam) (dst ./))
2026-02-13 11:23.43 ---> saved as "2ee5e647fd981cbcece29117bbe5f47a5f66ce2c082d227b6436d0d24eb832f4"


/src: (run (network host)
(shell "opam pin add -yn multicore-bench.dev './'"))
[multicore-bench.dev] synchronised (file:///src)
multicore-bench is now pinned to file:///src (version dev)
2026-02-13 11:23.45 ---> saved as "f9552a84477a12a4be01f6065a136f7fcaa9d4f1c8143f3981206381f4d7afc5"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-02-13 11:23.46 ---> saved as "579c38baf6077a28895bc98d479154235408a09556314b46594fe347da0aab1c"


/src: (env DEPS "astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.21.1 fmt.0.11.0 logs.0.10.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.14.0 result.1.5 thread-table.1.0.0 topkg.1.1.1 yojson.3.0.0")


/src: (env CI true)


/src: (env OCAMLCI true)


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y multicore-bench.dev $DEPS"))
+ /usr/bin/sudo "zypper" "--non-interactive" "refresh"
- Retrieving repository 'Update repository of openSUSE Backports' metadata [..
- Looking for gpg keys in repository Update repository of openSUSE Backports.
-   gpgkey=http://download.opensuse.org/update/leap/15.6/backports/repodata/repomd.xml.key
- ...
- .....
- .............done]
- Building repository 'Update repository of openSUSE Backports' cache [..
- ..done]
- Retrieving repository 'Update repository with updates from SUSE Linux Enterprise 15' metadata [..
- Looking for gpg keys in repository Update repository with updates from SUSE Linux Enterprise 15.
-   gpgkey=http://download.opensuse.org/update/leap/15.6/sle/repodata/repomd.xml.key
- .....
- ....
- ............
- ...
- .
- ..........
- ..........
- .........
- .......
- .........
- ..........
- ..........
- .........
- ......
- .........
- ..........
- ..........
- ........
- .......
- .....
- ............
- done]
- Building repository 'Update repository with updates from SUSE Linux Enterprise 15' cache [..
- ..done]
- Retrieving repository 'Main Update Repository' metadata [..
- 
- Looking for gpg keys in repository Main Update Repository.
-   gpgkey=http://download.opensuse.org/update/leap/15.6/oss/repodata/repomd.xml.key
- .....
- ....
- .............done]
- Building repository 'Main Update Repository' cache [....done]
- Retrieving repository 'Update Repository (Non-Oss)' metadata [..
- Looking for gpg keys in repository Update Repository (Non-Oss).
-   gpgkey=http://download.opensuse.org/update/leap/15.6/non-oss/repodata/repomd.xml.key
- ...
- .............done]
- Building repository 'Update Repository (Non-Oss)' cache [..
- ..done]
- Repository 'Non-OSS Repository' is up to date.
- Repository 'Main Repository' is up to date.
- All repositories have been refreshed.


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[multicore-bench.dev] synchronised (file:///src)


[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[NOTE] Package ocaml-config is already installed (current version is 2).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).
[NOTE] Package ocaml is already installed (current version is 4.14.2).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).
# To update the current shell environment, run: eval $(opam env)
2026-02-13 11:25.38 ---> saved as "047d843c62d33a4ba973aff973521fe32ab2d54896959f8f77211a7662366e0d"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[NOTE] Package ocaml-config is already installed (current version is 2).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).
[NOTE] Package ocaml is already installed (current version is 4.14.2).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).
The following actions will be performed:
=== install 22 packages
- install astring            0.8.5
- install backoff            0.1.1
- install camlp-streams      5.0.1
- install cmdliner           2.1.0
- install cppo               1.8.0
- install csexp              1.5.2
- install domain-local-await 1.0.1
- install domain_shims       0.1.0
- install dune               3.21.1
- install fmt                0.11.0
- install logs               0.10.0
- install mdx                2.5.1
- install mtime              2.1.0
- install multicore-magic    2.3.2
- install ocaml-version      4.0.3
- install ocamlbuild         0.16.1
- install ocamlfind          1.9.8
- install re                 1.14.0
- install result             1.5
- install thread-table       1.0.0
- install topkg              1.1.1
- install yojson             3.0.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved astring.0.8.5  (cached)
-> retrieved backoff.0.1.1  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved domain-local-await.1.0.1  (cached)
-> retrieved cmdliner.2.1.0  (cached)
-> retrieved domain_shims.0.1.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved logs.0.10.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved mdx.2.5.1  (cached)
-> retrieved multicore-magic.2.3.2  (cached)
-> retrieved ocaml-version.4.0.3  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved re.1.14.0  (cached)
-> retrieved result.1.5  (cached)
-> retrieved thread-table.1.0.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved yojson.3.0.0  (cached)
-> retrieved dune.3.21.1  (cached)
-> installed cmdliner.2.1.0
-> installed ocamlbuild.0.16.1
-> installed ocamlfind.1.9.8
-> installed topkg.1.1.1
-> installed mtime.2.1.0
-> installed fmt.0.11.0
-> installed astring.0.8.5
-> installed logs.0.10.0
-> installed dune.3.21.1
-> installed domain_shims.0.1.0
-> installed csexp.1.5.2
-> installed result.1.5
-> installed thread-table.1.0.0
-> installed multicore-magic.2.3.2
-> installed backoff.0.1.1
-> installed camlp-streams.5.0.1
-> installed ocaml-version.4.0.3
-> installed domain-local-await.1.0.1
-> installed cppo.1.8.0
-> installed re.1.14.0
-> installed yojson.3.0.0
-> installed mdx.2.5.1
Done.
# To update the current shell environment, run: eval $(opam env)
2026-02-13 11:26.34 ---> saved as "2687e97589d845b4bf1fe0b11a88542e6dcbac3133eb4be6a85417d963752754"


/src: (copy (src .) (dst /src))
2026-02-13 11:26.35 ---> saved as "6d64c75a08d2a0881de5f95a68e4704332f0348ecd32421d2ffd5494d0cc87a8"


/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
(cd _build/default/bench && ./main.exe -brief)
Atomic:
ops over time/cas int:
123.71 M/s
ops over time/get:
1207.62 M/s
ops over time/incr:
222.08 M/s
ops over time/push & pop:
34.51 M/s
ops over time/swap:
98.13 M/s
ops over time/xchg int:
193.95 M/s
time per op/cas int:
8.08 ns
time per op/get:
0.83 ns
time per op/incr:
4.50 ns
time per op/push & pop:
28.98 ns
time per op/swap:
10.19 ns
time per op/xchg int:
5.16 ns
Atomic incr:
ops over time/CAS, 1 domains:
101.55 M/s
ops over time/CAS with backoff, 1 domains:
97.50 M/s
ops over time/Incr, 1 domains:
193.99 M/s
time per op/CAS, 1 domains:
9.85 ns
time per op/CAS with backoff, 1 domains:
10.26 ns
time per op/Incr, 1 domains:
5.15 ns
Bounded_q:
messages over time/one domain:
4.35 M/s
time per message/one domain:
229.63 ns
Hashtbl:
operations over time/1 worker, 10% reads:
4.76 M/s
operations over time/1 worker, 50% reads:
5.27 M/s
operations over time/1 worker, 90% reads:
5.67 M/s
operations over time/2 workers, 10% reads:
4.70 M/s
operations over time/2 workers, 50% reads:
5.26 M/s
operations over time/2 workers, 90% reads:
5.59 M/s
operations over time/4 workers, 10% reads:
4.63 M/s
operations over time/4 workers, 50% reads:
5.11 M/s
operations over time/4 workers, 90% reads:
5.78 M/s
operations over time/8 workers, 10% reads:
4.83 M/s
operations over time/8 workers, 50% reads:
5.36 M/s
operations over time/8 workers, 90% reads:
5.71 M/s
operations over time/one domain, 10% reads:
10.45 M/s
operations over time/one domain, 50% reads:
10.76 M/s
operations over time/one domain, 90% reads:
11.72 M/s
time per operation/1 worker, 10% reads:
209.95 ns
time per operation/1 worker, 50% reads:
189.63 ns
time per operation/1 worker, 90% reads:
176.29 ns
time per operation/2 workers, 10% reads:
425.11 ns
time per operation/2 workers, 50% reads:
380.24 ns
time per operation/2 workers, 90% reads:
357.93 ns
time per operation/4 workers, 10% reads:
863.74 ns
time per operation/4 workers, 50% reads:
782.74 ns
time per operation/4 workers, 90% reads:
691.93 ns
time per operation/8 workers, 10% reads:
1655.64 ns
time per operation/8 workers, 50% reads:
1492.03 ns
time per operation/8 workers, 90% reads:
1400.52 ns
time per operation/one domain, 10% reads:
95.72 ns
time per operation/one domain, 50% reads:
92.91 ns
time per operation/one domain, 90% reads:
85.30 ns
Queue:
messages over time/one domain:
23.01 M/s
time per message/one domain:
43.46 ns
Ref with Mutex:
ops over time/cas int:
16.71 M/s
ops over time/get:
17.59 M/s
ops over time/incr:
17.52 M/s
ops over time/push & pop:
16.34 M/s
ops over time/swap:
10.84 M/s
ops over time/xchg int:
15.93 M/s
time per op/cas int:
59.85 ns
time per op/get:
56.85 ns
time per op/incr:
57.08 ns
time per op/push & pop:
61.21 ns
time per op/swap:
92.22 ns
time per op/xchg int:
62.77 ns
Ref with [@poll error]:
ops over time/cas int:
119.71 M/s
ops over time/get:
1197.94 M/s
ops over time/incr:
197.74 M/s
ops over time/push & pop:
32.78 M/s
ops over time/swap:
52.60 M/s
ops over time/xchg int:
117.73 M/s
time per op/cas int:
8.35 ns
time per op/get:
0.83 ns
time per op/incr:
5.06 ns
time per op/push & pop:
30.50 ns
time per op/swap:
19.01 ns
time per op/xchg int:
8.49 ns
Stack:
messages over time/one domain:
34.97 M/s
time per message/one domain:
28.60 ns
Unix:
blocking reads over time/1 worker:
0.31 M/s
time per blocking read/1 worker:
3197.34 ns
2026-02-13 11:26.44 ---> saved as "e7033dfac2b6319fba9b7e5f9f92d3bf383424d12f31bf886ee3f3af3ef70c15"
Job succeeded
2026-02-13 11:26.44: Job succeeded